aqm_platform.c

#include "core/aqm_platform.h"
#include <ctype.h>
#include <errno.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
 
#ifdef _WIN32
#include <windows.h>
#include <direct.h>
#else
#include <unistd.h>
#endif
 
int aqm_mkdir_p(const char *path) {
    if (!path || !path[0])
        return -1;
#ifdef _WIN32
    if (_mkdir(path) != 0) {
        DWORD err = GetLastError();
        if (err != ERROR_ALREADY_EXISTS)
            return -1;
    }
    return 0;
#else
    if (mkdir(path, 0755) != 0) {
        if (errno != EEXIST)
            return -1;
    }
    return 0;
#endif
}
 
void aqm_sleep_seconds(unsigned seconds) {
#ifdef _WIN32
    Sleep((DWORD)seconds * 1000U);
#else
    sleep(seconds);
#endif
}
 
void aqm_flush_stdin(void) {
    int c;
    while ((c = getchar()) != '\n' && c != EOF)
        ;
}
 
int aqm_parse_int(const char *input, int *out) {
    if (!input || !out)
        return 0;
 
    char *endptr = NULL;
    errno = 0;
    long value = strtol(input, &endptr, 10);
    if (endptr == input || errno != 0)
        return 0;
    while (*endptr != '\0' && isspace((unsigned char)*endptr))
        endptr++;
    if (*endptr != '\0')
        return 0;
    if (value < INT_MIN || value > INT_MAX)
        return 0;
    *out = (int)value;
    return 1;
}
 
int aqm_parse_float(const char *input, float *out) {
    if (!input || !out)
        return 0;
 
    char *endptr = NULL;
    errno = 0;
    float value = strtof(input, &endptr);
    if (endptr == input || errno != 0)
        return 0;
    while (*endptr != '\0' && isspace((unsigned char)*endptr))
        endptr++;
    if (*endptr != '\0')
        return 0;
    *out = value;
    return 1;
}
 
void aqm_trim_crlf(char *s) {
    if (!s)
        return;
    size_t n = strlen(s);
    while (n > 0 && (s[n - 1] == '\n' || s[n - 1] == '\r' || isspace((unsigned char)s[n - 1]))) {
        s[--n] = '\0';
    }
}