#include <stdint.h>
#include <stdlib.h>
#include <string.h>
-#include <sigrok.h>
+#include "sigrok.h"
+#include "sigrok-internal.h"
/**
* Convert a numeric samplerate value to its "natural" string representation.
* E.g. a value of 3000000 would be converted to "3 MHz", 20000 to "20 kHz".
*
* @param samplerate The samplerate in Hz.
- * @return A malloc()ed string representation of the samplerate value,
- * or NULL upon errors. The caller is responsible to free() the memory.
+ * @return A g_try_malloc()ed string representation of the samplerate value,
+ * or NULL upon errors. The caller is responsible to g_free() the
+ * memory.
*/
-char *sr_samplerate_string(uint64_t samplerate)
+SR_API char *sr_samplerate_string(uint64_t samplerate)
{
char *o;
int r;
- o = malloc(30 + 1); /* Enough for a uint64_t as string + " GHz". */
- if (!o)
+ /* Allocate enough for a uint64_t as string + " GHz". */
+ if (!(o = g_try_malloc0(30 + 1))) {
+ sr_err("strutil: %s: o malloc failed", __func__);
return NULL;
+ }
- if (samplerate >= GHZ(1))
+ if (samplerate >= SR_GHZ(1))
r = snprintf(o, 30, "%" PRIu64 " GHz", samplerate / 1000000000);
- else if (samplerate >= MHZ(1))
+ else if (samplerate >= SR_MHZ(1))
r = snprintf(o, 30, "%" PRIu64 " MHz", samplerate / 1000000);
- else if (samplerate >= KHZ(1))
+ else if (samplerate >= SR_KHZ(1))
r = snprintf(o, 30, "%" PRIu64 " kHz", samplerate / 1000);
else
r = snprintf(o, 30, "%" PRIu64 " Hz", samplerate);
if (r < 0) {
/* Something went wrong... */
- free(o);
+ g_free(o);
return NULL;
}
}
/**
- * Convert a numeric samplerate value to the "natural" string representation
+ * Convert a numeric frequency value to the "natural" string representation
* of its period.
*
* E.g. a value of 3000000 would be converted to "3 us", 20000 to "50 ms".
*
* @param frequency The frequency in Hz.
- * @return A malloc()ed string representation of the frequency value,
- * or NULL upon errors. The caller is responsible to free() the memory.
+ * @return A g_try_malloc()ed string representation of the frequency value,
+ * or NULL upon errors. The caller is responsible to g_free() the
+ * memory.
*/
-char *sr_period_string(uint64_t frequency)
+SR_API char *sr_period_string(uint64_t frequency)
{
char *o;
int r;
- o = malloc(30 + 1); /* Enough for a uint64_t as string + " ms". */
- if (!o)
+ /* Allocate enough for a uint64_t as string + " ms". */
+ if (!(o = g_try_malloc0(30 + 1))) {
+ sr_err("strutil: %s: o malloc failed", __func__);
return NULL;
+ }
- if (frequency >= GHZ(1))
+ if (frequency >= SR_GHZ(1))
r = snprintf(o, 30, "%" PRIu64 " ns", frequency / 1000000000);
- else if (frequency >= MHZ(1))
+ else if (frequency >= SR_MHZ(1))
r = snprintf(o, 30, "%" PRIu64 " us", frequency / 1000000);
- else if (frequency >= KHZ(1))
+ else if (frequency >= SR_KHZ(1))
r = snprintf(o, 30, "%" PRIu64 " ms", frequency / 1000);
else
r = snprintf(o, 30, "%" PRIu64 " s", frequency);
if (r < 0) {
/* Something went wrong... */
- free(o);
+ g_free(o);
return NULL;
}
return o;
}
-char **sr_parse_triggerstring(struct sr_device *device, const char *triggerstring)
+/**
+ * TODO
+ *
+ * @param device TODO
+ * @param triggerstring TODO
+ * @return TODO
+ */
+SR_API char **sr_parse_triggerstring(struct sr_device *device,
+ const char *triggerstring)
{
GSList *l;
struct sr_probe *probe;
max_probes = g_slist_length(device->probes);
error = FALSE;
- triggerlist = g_malloc0(max_probes * sizeof(char *));
+
+ if (!(triggerlist = g_try_malloc0(max_probes * sizeof(char *)))) {
+ sr_err("session file: %s: metafile malloc failed", __func__);
+ return NULL;
+ }
+
tokens = g_strsplit(triggerstring, ",", max_probes);
trigger_types = device->plugin->get_device_info(0, SR_DI_TRIGGER_TYPES);
if (trigger_types == NULL)
}
if (probenum < 1 || probenum > max_probes) {
- printf("Invalid probe.\n");
+ sr_err("Invalid probe.\n");
error = TRUE;
break;
}
if ((trigger = strchr(tokens[i], '='))) {
for (tc = ++trigger; *tc; tc++) {
if (strchr(trigger_types, *tc) == NULL) {
- printf("Unsupported trigger type "
+ sr_err("Unsupported trigger type "
"'%c'\n", *tc);
error = TRUE;
break;
if (error) {
for (i = 0; i < max_probes; i++)
- if (triggerlist[i])
- g_free(triggerlist[i]);
+ g_free(triggerlist[i]);
g_free(triggerlist);
triggerlist = NULL;
}
return triggerlist;
}
-uint64_t sr_parse_sizestring(const char *sizestring)
+/**
+ * Convert a "natural" string representation of a size value to uint64_t.
+ *
+ * E.g. a value of "3k" or "3 K" would be converted to 3000, a value
+ * of "15M" would be converted to 15000000.
+ *
+ * Value representations other than decimal (such as hex or octal) are not
+ * supported. Only 'k' (kilo), 'm' (mega), 'g' (giga) suffixes are supported.
+ * Spaces (but not other whitespace) between value and suffix are allowed.
+ *
+ * @param sizestring A string containing a (decimal) size value.
+ * @param size Pointer to uint64_t which will contain the string's size value.
+ * @return SR_OK or error code
+ *
+ */
+SR_API int sr_parse_sizestring(const char *sizestring, uint64_t *size)
{
- int multiplier;
- uint64_t val;
+ int multiplier, done;
char *s;
- val = strtoull(sizestring, &s, 10);
+ *size = strtoull(sizestring, &s, 10);
multiplier = 0;
- while (s && *s && multiplier == 0) {
+ done = FALSE;
+ while (s && *s && multiplier == 0 && !done) {
switch (*s) {
case ' ':
break;
case 'k':
case 'K':
- multiplier = KHZ(1);
+ multiplier = SR_KHZ(1);
break;
case 'm':
case 'M':
- multiplier = MHZ(1);
+ multiplier = SR_MHZ(1);
break;
case 'g':
case 'G':
- multiplier = GHZ(1);
+ multiplier = SR_GHZ(1);
break;
default:
- val = 0;
- multiplier = -1;
+ done = TRUE;
+ s--;
}
s++;
}
if (multiplier > 0)
- val *= multiplier;
+ *size *= multiplier;
- return val;
+ if (*s && strcasecmp(s, "Hz"))
+ return SR_ERR;
+
+ return SR_OK;
}
-uint64_t sr_parse_timestring(const char *timestring)
+/**
+ * Convert a "natural" string representation of a time value to an
+ * uint64_t value in milliseconds.
+ *
+ * E.g. a value of "3s" or "3 s" would be converted to 3000, a value
+ * of "15ms" would be converted to 15.
+ *
+ * Value representations other than decimal (such as hex or octal) are not
+ * supported. Only lower-case "s" and "ms" time suffixes are supported.
+ * Spaces (but not other whitespace) between value and suffix are allowed.
+ *
+ * @param timestring A string containing a (decimal) time value.
+ * @return The string's time value as uint64_t, in milliseconds.
+ *
+ * TODO: Error handling.
+ * TODO: Add support for "m" (minutes) and others.
+ * TODO: picoseconds?
+ * TODO: Allow both lower-case and upper-case.
+ */
+SR_API uint64_t sr_parse_timestring(const char *timestring)
{
uint64_t time_msec;
char *s;
return time_msec;
}
+SR_API gboolean sr_parse_boolstring(const char *boolstr)
+{
+ if (!boolstr)
+ return FALSE;
+
+ if (!g_strcasecmp(boolstr, "true") ||
+ !g_strcasecmp(boolstr, "yes") ||
+ !g_strcasecmp(boolstr, "on") ||
+ !g_strcasecmp(boolstr, "1"))
+ return TRUE;
+
+ return FALSE;
+}
projects / libsigrok.git / blobdiff