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opengles emulator: fix GLESv2 shader source packing

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fix segfault when calling glShaderSouce with
empty shader string, length=NULL and count>0

Change-Id: I4c9738d7726fbce22d1e84420faa2bfd772943c5
This commit is contained in:
Liran
2011-07-26 14:11:22 +03:00
committed by David 'Digit' Turner
parent 9e883e8b5f
commit 0a190be2bc
1 changed files with 10 additions and 8 deletions
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6
tools/emulator/opengl/shared/OpenglCodecCommon/glUtils.cpp
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@@ -373,7 +373,8 @@ void glUtilsPackStrings(char *ptr, char **strings, GLint *length, GLsizei coun
char *p = ptr;
*p = '\0';
for (int i = 0; i < count; i++) {
int l;
int l=0;
if (strings[i]!=NULL) {
if (length == NULL || length[i] < 0) {
l = strlen(strings[i]);
strcat(p, strings[i]);
@@ -381,6 +382,7 @@ void glUtilsPackStrings(char *ptr, char **strings, GLint *length, GLsizei coun
l = length[i];
strncat(p, strings[i], l);
}
}
p += l;
}
}
@@ -392,7 +394,7 @@ int glUtilsCalcShaderSourceLen( char **strings, GLint *length, GLsizei count)
for (int i = 0; i < count; i++) {
int l;
if (length == NULL || length[i] < 0) {
l = strlen(strings[i]);
l = strings[i]!=NULL ? strlen(strings[i]) : 0;
} else {
l = length[i];
}