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Add width modifier and prepending zeros for hexadecimal output and decimal precision for floating point #13548

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Merged
merged 1 commit into from
Dec 10, 2020
Merged

Add width modifier and prepending zeros for hexadecimal output and decimal precision for floating point #13548

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10 changes: 5 additions & 5 deletions platform/source/minimal-printf/README.md
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Expand Up @@ -3,7 +3,7 @@

Library supports both printf and snprintf in around 1300 bytes of flash.

Prints directly to stdio/UART without using malloc. All flags and precision modifiers are ignored.
Prints directly to stdio/UART without using malloc. Width size and prepending zero modifiers are supported. All other flags are ignored.
There is no error handling if a writing error occurs.

Supports:
Expand All @@ -12,10 +12,10 @@ Supports:
* %u: unsigned integer [h, hh, (none), l, ll, z, j, t].
* %x: unsigned integer [h, hh, (none), l, ll, z, j, t], printed as hexadecimal number (e.g., ff).
* %X: unsigned integer [h, hh, (none), l, ll, z, j, t], printed as hexadecimal number (e.g., FF).
* %f: floating point (disabled by default).
* %F: floating point (disabled by default, treated as %f).
* %g: floating point (disabled by default, treated as %f).
* %G: floating point (disabled by default, treated as %f).
* %f: floating point (disabled by default). Precision modifier is supported (e.g. %.5f).
* %F: floating point (disabled by default, treated as %f). Precision modifier is supported (e.g. %.5F).
* %g: floating point (disabled by default, treated as %f). Precision modifier is supported (e.g. %.5g).
* %G: floating point (disabled by default, treated as %f). Precision modifier is supported (e.g. %.5G).
* %c: character.
* %s: string.
* %p: pointer (e.g. 0x00123456).
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