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no-more-secrets-rust
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Used snprintf to dynamically grow print buffer size as needed. 

modified:   src/nms.c
This commit is contained in:
Brian Barto 2016-04-18 14:27:41 -04:00
parent 6da3bbdce5
commit 1b6ba0bf7f
1 changed files with 9 additions and 2 deletions
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11
src/nms.c
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@ -20,6 +20,8 @@
#define NEWLINE 10 #define NEWLINE 10
#define TAB 9 #define TAB 9
#define PRINT_BUFFER 100
// Window position structure, linked list. Keeps track of every // Window position structure, linked list. Keeps track of every
// character's position on the terminal, as well as other attributes. // character's position on the terminal, as well as other attributes.
struct winpos { struct winpos {
@ -50,11 +52,16 @@ char getMaskChar(void);
* const char *format - printf-style format string * const char *format - printf-style format string
*/ */
void nmsprintf(const char *format, ...) { void nmsprintf(const char *format, ...) {
char nmsprintBuffer[10000]; int bufferSize = PRINT_BUFFER;
int bufferIncrementSize = PRINT_BUFFER;
char *nmsprintBuffer = malloc(bufferSize);
va_list argp; va_list argp;
va_start(argp, format); va_start(argp, format);
vsprintf(nmsprintBuffer, format, argp); while (vsnprintf(nmsprintBuffer, bufferSize, format, argp) >= strlen(nmsprintBuffer) + 1) {
bufferSize += bufferIncrementSize;
nmsprintBuffer = realloc(nmsprintBuffer, bufferSize);
}
va_end(argp); va_end(argp);
if (display == NULL) { if (display == NULL) {