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Merge branch 'unused-function-warnings' of https://github.com/BradleyMarie/stb into work2

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This commit is contained in:
Sean Barrett 2020-02-02 10:11:43 -08:00
commit 1ced9faea1
3 changed files with 48 additions and 5 deletions
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3
.github/CONTRIBUTING.md vendored
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@ -5,7 +5,9 @@ Pull Requests and Issues are both welcome.
General priority order is: General priority order is:
* Crashes * Crashes
* Security issues in stb_image
* Bugs * Bugs
* Security concerns in other libs
* Warnings * Warnings
* Enhancements (new features, performance improvement, etc) * Enhancements (new features, performance improvement, etc)
@ -17,6 +19,7 @@ address things. Many issues have been around for a long time.
# Pull requests # Pull requests
* Make sure you're using a special branch just for this pull request. (Sometimes people unknowingly use a default branch, then later update that branch, which updates the pull request with the other changes if it hasn't been merged yet.)
* Do NOT update the version number in the file. (This just causes conflicts.) * Do NOT update the version number in the file. (This just causes conflicts.)
* Do add your name to the list of contributors. (Don't worry about the formatting.) I'll try to remember to add it if you don't, but I sometimes forget as it's an extra step. * Do add your name to the list of contributors. (Don't worry about the formatting.) I'll try to remember to add it if you don't, but I sometimes forget as it's an extra step.

4
stb.h
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@ -2454,8 +2454,8 @@ static char *stb__splitpath_raw(char *buffer, char *path, int flag)
if (!buffer) return NULL; if (!buffer) return NULL;
} }
if (len) { stb_p_strcpy_s(buffer, sizeof(buffer), "./"); return buffer; } if (len) { stb_p_strcpy_s(buffer, 3, "./"); return buffer; }
stb_strncpy(buffer, path+int(x), int(y-x)); stb_strncpy(buffer, path+(int)x, (int)(y-x));
return buffer; return buffer;
} }

46
stb_image.h
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@ -105,8 +105,9 @@ RECENT REVISION HISTORY:
Oriol Ferrer Mesia Josh Tobin Matthew Gregan github:phprus Oriol Ferrer Mesia Josh Tobin Matthew Gregan github:phprus
Julian Raschke Gregory Mullen Baldur Karlsson github:poppolopoppo Julian Raschke Gregory Mullen Baldur Karlsson github:poppolopoppo
Christian Floisand Kevin Schmidt JR Smith github:darealshinji Christian Floisand Kevin Schmidt JR Smith github:darealshinji
Blazej Dariusz Roszkowski github:Michaelangel007 Brad Weinberger Matvey Cherevko github:Michaelangel007
Matvey Cherevko Blazej Dariusz Roszkowski
*/ */
#ifndef STBI_INCLUDE_STB_IMAGE_H #ifndef STBI_INCLUDE_STB_IMAGE_H
@ -944,11 +945,13 @@ static int stbi__mul2sizes_valid(int a, int b)
return a <= INT_MAX/b; return a <= INT_MAX/b;
} }
#if !defined(STBI_NO_JPEG) || !defined(STBI_NO_PNG) || !defined(STBI_NO_TGA) || !defined(STBI_NO_HDR)
// returns 1 if "a*b + add" has no negative terms/factors and doesn't overflow // returns 1 if "a*b + add" has no negative terms/factors and doesn't overflow
static int stbi__mad2sizes_valid(int a, int b, int add) static int stbi__mad2sizes_valid(int a, int b, int add)
{ {
return stbi__mul2sizes_valid(a, b) && stbi__addsizes_valid(a*b, add); return stbi__mul2sizes_valid(a, b) && stbi__addsizes_valid(a*b, add);
} }
#endif
// returns 1 if "a*b*c + add" has no negative terms/factors and doesn't overflow // returns 1 if "a*b*c + add" has no negative terms/factors and doesn't overflow
static int stbi__mad3sizes_valid(int a, int b, int c, int add) static int stbi__mad3sizes_valid(int a, int b, int c, int add)
@ -966,12 +969,14 @@ static int stbi__mad4sizes_valid(int a, int b, int c, int d, int add)
} }
#endif #endif
#if !defined(STBI_NO_JPEG) || !defined(STBI_NO_PNG) || !defined(STBI_NO_TGA) || !defined(STBI_NO_HDR)
// mallocs with size overflow checking // mallocs with size overflow checking
static void *stbi__malloc_mad2(int a, int b, int add) static void *stbi__malloc_mad2(int a, int b, int add)
{ {
if (!stbi__mad2sizes_valid(a, b, add)) return NULL; if (!stbi__mad2sizes_valid(a, b, add)) return NULL;
return stbi__malloc(a*b + add); return stbi__malloc(a*b + add);
} }
#endif
static void *stbi__malloc_mad3(int a, int b, int c, int add) static void *stbi__malloc_mad3(int a, int b, int c, int add)
{ {
@ -1515,6 +1520,9 @@ stbi_inline static stbi_uc stbi__get8(stbi__context *s)
return 0; return 0;
} }
#if defined(STBI_NO_JPEG) && defined(STBI_NO_HDR) && defined(STBI_NO_PIC) && defined(STBI_NO_PNM)
// nothing
#else
stbi_inline static int stbi__at_eof(stbi__context *s) stbi_inline static int stbi__at_eof(stbi__context *s)
{ {
if (s->io.read) { if (s->io.read) {
@ -1526,7 +1534,11 @@ stbi_inline static int stbi__at_eof(stbi__context *s)
return s->img_buffer >= s->img_buffer_end; return s->img_buffer >= s->img_buffer_end;
} }
#endif
#if defined(STBI_NO_JPEG) && defined(STBI_NO_PNG) && defined(STBI_NO_BMP) && defined(STBI_NO_PSD) && defined(STBI_NO_TGA) && defined(STBI_NO_GIF) && defined(STBI_NO_PIC)
// nothing
#else
static void stbi__skip(stbi__context *s, int n) static void stbi__skip(stbi__context *s, int n)
{ {
if (n < 0) { if (n < 0) {
@ -1543,7 +1555,11 @@ static void stbi__skip(stbi__context *s, int n)
} }
s->img_buffer += n; s->img_buffer += n;
} }
#endif
#if defined(STBI_NO_PNG) && defined(STBI_NO_TGA) && defined(STBI_NO_HDR) && defined(STBI_NO_PNM)
// nothing
#else
static int stbi__getn(stbi__context *s, stbi_uc *buffer, int n) static int stbi__getn(stbi__context *s, stbi_uc *buffer, int n)
{ {
if (s->io.read) { if (s->io.read) {
@ -1567,18 +1583,27 @@ static int stbi__getn(stbi__context *s, stbi_uc *buffer, int n)
} else } else
return 0; return 0;
} }
#endif
#if defined(STBI_NO_JPEG) && defined(STBI_NO_PNG) && defined(STBI_NO_PSD) && defined(STBI_NO_PIC)
// nothing
#else
static int stbi__get16be(stbi__context *s) static int stbi__get16be(stbi__context *s)
{ {
int z = stbi__get8(s); int z = stbi__get8(s);
return (z << 8) + stbi__get8(s); return (z << 8) + stbi__get8(s);
} }
#endif
#if defined(STBI_NO_PNG) && defined(STBI_NO_PSD) && defined(STBI_NO_PIC)
// nothing
#else
static stbi__uint32 stbi__get32be(stbi__context *s) static stbi__uint32 stbi__get32be(stbi__context *s)
{ {
stbi__uint32 z = stbi__get16be(s); stbi__uint32 z = stbi__get16be(s);
return (z << 16) + stbi__get16be(s); return (z << 16) + stbi__get16be(s);
} }
#endif
#if defined(STBI_NO_BMP) && defined(STBI_NO_TGA) && defined(STBI_NO_GIF) #if defined(STBI_NO_BMP) && defined(STBI_NO_TGA) && defined(STBI_NO_GIF)
// nothing // nothing
@ -1600,7 +1625,9 @@ static stbi__uint32 stbi__get32le(stbi__context *s)
#define STBI__BYTECAST(x) ((stbi_uc) ((x) & 255)) // truncate int to byte without warnings #define STBI__BYTECAST(x) ((stbi_uc) ((x) & 255)) // truncate int to byte without warnings
#if defined(STBI_NO_JPEG) && defined(STBI_NO_PNG) && defined(STBI_NO_BMP) && defined(STBI_NO_PSD) && defined(STBI_NO_TGA) && defined(STBI_NO_GIF) && defined(STBI_NO_PIC) && defined(STBI_NO_PNM)
// nothing
#else
////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////////
// //
// generic converter from built-in img_n to req_comp // generic converter from built-in img_n to req_comp
@ -1616,7 +1643,11 @@ static stbi_uc stbi__compute_y(int r, int g, int b)
{ {
return (stbi_uc) (((r*77) + (g*150) + (29*b)) >> 8); return (stbi_uc) (((r*77) + (g*150) + (29*b)) >> 8);
} }
#endif
#if defined(STBI_NO_PNG) && defined(STBI_NO_BMP) && defined(STBI_NO_PSD) && defined(STBI_NO_TGA) && defined(STBI_NO_GIF) && defined(STBI_NO_PIC) && defined(STBI_NO_PNM)
// nothing
#else
static unsigned char *stbi__convert_format(unsigned char *data, int img_n, int req_comp, unsigned int x, unsigned int y) static unsigned char *stbi__convert_format(unsigned char *data, int img_n, int req_comp, unsigned int x, unsigned int y)
{ {
int i,j; int i,j;
@ -1660,12 +1691,20 @@ static unsigned char *stbi__convert_format(unsigned char *data, int img_n, int r
STBI_FREE(data); STBI_FREE(data);
return good; return good;
} }
#endif
#if defined(STBI_NO_PNG) && defined(STBI_NO_PSD)
// nothing
#else
static stbi__uint16 stbi__compute_y_16(int r, int g, int b) static stbi__uint16 stbi__compute_y_16(int r, int g, int b)
{ {
return (stbi__uint16) (((r*77) + (g*150) + (29*b)) >> 8); return (stbi__uint16) (((r*77) + (g*150) + (29*b)) >> 8);
} }
#endif
#if defined(STBI_NO_PNG) && defined(STBI_NO_PSD)
// nothing
#else
static stbi__uint16 *stbi__convert_format16(stbi__uint16 *data, int img_n, int req_comp, unsigned int x, unsigned int y) static stbi__uint16 *stbi__convert_format16(stbi__uint16 *data, int img_n, int req_comp, unsigned int x, unsigned int y)
{ {
int i,j; int i,j;
@ -1709,6 +1748,7 @@ static stbi__uint16 *stbi__convert_format16(stbi__uint16 *data, int img_n, int r
STBI_FREE(data); STBI_FREE(data);
return good; return good;
} }
#endif
#ifndef STBI_NO_LINEAR #ifndef STBI_NO_LINEAR
static float *stbi__ldr_to_hdr(stbi_uc *data, int x, int y, int comp) static float *stbi__ldr_to_hdr(stbi_uc *data, int x, int y, int comp)