diff options
| -rw-r--r-- | src/mesa/main/shaderapi.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c index 28739daeb97..2ec2444daa2 100644 --- a/src/mesa/main/shaderapi.c +++ b/src/mesa/main/shaderapi.c @@ -1392,7 +1392,7 @@ _mesa_LinkProgram(GLhandleARB programObj) static GLcharARB * read_shader(const char *fname) { - const int max = 50*1000; + int shader_size = 0; FILE *f = fopen(fname, "r"); GLcharARB *buffer, *shader; int len; @@ -1401,8 +1401,19 @@ read_shader(const char *fname) return NULL; } - buffer = malloc(max); - len = fread(buffer, 1, max, f); + /* allocate enough room for the entire shader */ + fseek(f, 0, SEEK_END); + shader_size = ftell(f); + rewind(f); + assert(shader_size); + + /* add one for terminating zero */ + shader_size++; + + buffer = malloc(shader_size); + assert(buffer); + + len = fread(buffer, 1, shader_size, f); buffer[len] = 0; fclose(f); |